AVL tree for integers.

FossilOrigin-Name: b926f87dd33cb30a70707ab86240f429c60a12d635e650bc1ab0d0702de075ca

src/capwap/intavltree.c

@@ -0,0 +1,35 @@
+
+
+#include <stdlib.h>
+
+#include "intavltree.h"
+
+
+static int cmp(const void *v1,const void*v2)
+{
+	return  *((int*)v1) - *((char*)v2);
+}
+
+static void del(void* d)
+{
+	free (d);
+	return;
+}
+
+struct avltree * intavltree_create()
+{
+	return avltree_create(cmp,del);	
+}
+
+int * intavltree_add(struct avltree * t, int val)
+{
+	int *v = avltree_get(t,&val);
+	if (v) 
+		return v;
+	
+	v = malloc(sizeof(int));
+	if (!v)
+		return NULL;
+	*v=val;
+	return avltree_add(t,v);
+}